G3/G4 Pre Filter Media Rolls Pre-Filter Air Filter Roll for Dust

G3/G4 Pre Filter Media Rolls Pre-Filter Air Filter Roll for Dust. High Dust Holding Capacity: Up to 500g/m2 for extended service life and stable performance. Customizable Dimensions: Dimensions can be customized to fit specific ventilation system requirements. OEM and ODM Support: Full customization available including logo printing and design modifications. Silicone-Free Material: Made with polyester fiber ensuring safety for sensitive environments. Washable and Reusable: Durable design allows for cleaning and repeated use to reduce costs. Multiple Filtration Grades: Available in G3 and G4 efficiency classes according to EN779 standards. ISO Certified Quality: Manufactured under ISO9001 and ISO14001 certified quality management systems.